Driver

Cut a v0.3.0 release. 17 commits since v0.2.0 (9 features, 8 fixes). Themes:

• Multi-project support — per-project active-ticket markers (feat: per-project active ticket markers in ops repo #41), /update skill ([Feature] /update command to sync ApexStack fork from upstream #58), upstream-drift banner ([Feature] SessionStart drift banner — show when fork is behind upstream #63)
• Architecture diagrams — Mermaid C4 L1+L2 templates (feat: architecture diagram support in documentation — C4 model #50), /handover generates a stub container diagram ([Feature] /handover skill generates a stub C4 L2 container diagram #67)
• Database migrations — ticket-first migration gate ([Feature] Ticket-first gate for database migrations + /migration skill + migration AgDR template #59) + /migration skill + migration AgDR template
• Site refresh — whole-framework positioning (site: refresh index.html to reflect the whole framework (update counts + real walkthroughs) #73)
• Hook robustness — gh api merge bypass closed (fix: merge gate hooks don't catch gh api .../merge bypass #47), absolute-path exemptions ([Bug] require-active-ticket.sh fails when REPO_ROOT is a nested worktree — strips wrong prefix from FILE_PATH #56), Rex marker format enforcement ([Bug] code-reviewer agent writes malformed rex-approval marker (contains 'PR: N\nSHA: ...' instead of bare SHA) #62), gh-pr-view fallback for HEAD resolution

Scope

• Update CHANGELOG.md with v0.3.0 entry (narrative, matching v0.2.0's style)
• Update site/index.html version references (v0.1 / v0.2.0 → v0.3.0)
• PR + review + merge
• Tag v0.3.0 on the merge commit
• Create GitHub release with the changelog body

AC

• CHANGELOG entry mirrors v0.2.0 narrative shape
• All v0.x references in repo point to v0.3.0
• Tag pushed, GitHub release created